Sorbitan trioleate , also known as STO, is synthesized by the esterification of sorbitan with oleic acid. It has a molecular formula of C60H108O8. At room temperature, it is in the form of a pale-yellow viscous liquid. It is a W/O emulsifier with an HLB value of 1.8. It is soluble in mineral and vegetable oil. Its functions include emulsification for cosmetics and personal care products; lubrication, dispersant, and softener for textiles; and anti-rusting for oil extraction.
CAS NO.: 26266 58 0
 
MOLECULAR FORMULA: C60H108O8
 
MOLECULAR WEIGHT: 957.46
Technical Information of Sorbitan Trioleate
According to Q/GDRH 007-2020, other parameters are available upon request.
 

Parameters

Unit

Standard value

Acid value

mg KOH/g

≤15.0

Saponification value

mg KOH/g

165 ～ 180

Hydroxyl value

mg KOH/g

60 ～ 80

Moisture

w/%

≤1.5

 
 
Advantages of Sorbitan Trioleate
 
Sorbitan trioleate is widely used in cosmetic products, personal care products, and industrial products
 
Can be used in cosmetic, pharmaceutical and industry 
 
Instructions on Use and Storage
STORAGE
Store in a cool, dry place in tightly sealed packages, away from heat and light
TRANSPORTATION
Transport as non-dangerou s goods
SHELF LIFE
1 year.
Packaging and Shipment
Packaging
25kg/drum, 200kg/drum and 900kg/drum (special packaging is available upon request) 
Shipment
7-14 days after receiving payment
Port
Guangzhou, Shenzhen, Shanghai, Qingdao, etc.
 
 
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